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Rodenticide is the chemical which is used to control.
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For which branch of science U.N. has designated the year 2011?
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When did the Bhopal Gas tragedy happen?
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The United Nations Framework Convention on Climate Change deals with
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What is Biophenol A (BPA)?
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Which of the following is an inorganic gaseous pollutant of air?
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Which of the following is not a chemical fertilizer?
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The most popular fertilizer for foliar application is
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'Humus' is an example of
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The most suitable crop for green manuring is
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Which gas is used in fire extinguisher?
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Which one of the following pairs is not correctly matched?
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An active chemical to remove mosquitoes is:
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Which one of the following com pounds is used to make fireproof clothing?
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Which of the following is used as a mosquito repellent?
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Pyrethrin used in mosquito coil is obtained from
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Which chemical substance is used for making rat poison?
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